Sit up straight. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Test, test, and test again! Make sure your email looks good on all devices before you send it out. My day’s been ok, how’s yours? I wish I looked as good as you while waiting Don’t make ‘em yawn! Keep your emails exciting and brief. Try different email subject line styles to find what gets the most opens. Boost your email opens with a punchy subject line.